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Edexcel_Physics_Forces and their effects
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Edexcel_Physics_Forces and their effects
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OverviewEdexcel Topic 9
Forces and their effects
Part 1
• Contact and Non-contact
Forces
• Gravity
• Resultant Forces
Part 2
• Moments (physics only)
,Learn!
Know!
Part 1
• Contact and Non-contact
Forces
• Gravity
• Resultant Forces
, Contact and Non-contact Forces
Forces can be placed into two groups. There are forces that
act on contact and there are forces that act at a distance.
Contact Forces Non-Contact Forces
Air Resistance Gravity
Friction Magnetism
Tension Electrical Force
Normal Force Nuclear Force
, Scalar and Vector Quantities
Materials in a classroom can be grouped into two
groups – metals and non-metals.
Things we measure can be put into two groups as
well – scalars and vectors.
Scalars: Things that we measure that have a
magnitude (size) only are scalars.
Vectors: Things that we measure that have both
magnitude and direction are vectors.
Sometimes direction is really important. In a
crash the direction, as well as the speed, of the
vehicles will determine how much damage is
caused. From
topic 2
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